ASUS ZenWatch 2 vs. Garmin Vivosmart HR vs. Apple Watch vs. Fitbit Alta HR vs. Apple Series 6

 
ZenWatch 2
Vivosmart HR
Watch
Alta HR
Series 6
 ASUSZenWatch 2Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$170$349$150$399
Release20162015201520172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days18 hours7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320160 x 68340 x 272 or 390 x 312128 x 36384 x 480
Size1.63 inches or 1.45 inch1.08 inches1.5 inches or 1.65 inches1.4 inches40mm
Touch
TypeAMOLEDn/aAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATMIPX7

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSWatchOS 5
Apps
Music

All Wearables